Windshield wiper blade



FIG. 1 is an isometric view as seen from the top, one side and one end of a windshield wiper blade showing my new design;

FIG. 2 is an isometric view as seen from the bottom, opposite side and opposite end thereof; and

FIG. 3 is an end elevational view thereof. 

The ornamental design for a windshield wiper blade, as shown. 